
Frederick was educated in Germany and France. He came to England in 1939 and took up acting at the suggestion of his English headmaster. He attended the Guildhall School of Music and Drama in London between 1946 and 1948 and started his stage career at preston Rep in 1949. Many rep seasons in provinces before West End appearances including 'The Comedy of Errors', 'Lock Up Your Daughters', 'The Potsdam Quartet', 'Big Fish, Little Fish', 'For Adults Only', 'A Patriot For Me', 'Mrs. Gibson's Boys' and 'Salad Days'. Frederick started his television career in 1955 and went into films in 1956. He continued to act in all strands of the profession until his death.
Sorenson
Professor Marius
Inspector Klingmann
Benson
Schuman
World War One Ace
German Major (uncredited)
Millburn
Edvard Jensen
Johann
Luther
Marker
Keith Sayle
Douglas Smedley
Goldman
Jones
Inspector Grant
Bernarde
Kurt Langsdorf
Tostig
Walter
John Charles Walton
Bequeville
Bergen
2nd German Officer
Wilkinson
Caradoc
Major Harwood
Peter Jarratt
Richard Massingham
Major Robert Wheeler
Major Selwyn Davis
Alan Cooper
Doctor Adolph Müdel
Colonel Melchett
Sir Christopher
Holstein
German Prisoner
Vicary
Sir Adam
Kinesias
Werner Mannheim
Self
Various
Pilot
Harry Day
Novins
Forsch
Koch
Klaus
Junior German Officer
Gabriel Astruc
Professor Marius
Hans Deiter
Professor Friedrich Bhaer
Ohisson
Cooper
Henrik Ibsen
Sorenson
Male Receptionist
Adolphus Crosbie
Jim
Joachim
Jano
Paul Warner
Melchior
Jano (voice)
Keith Sayle
Fritz Stiefel
Mr. Forson
Norman Warren
Leebig
Douglas Smedley